new environment of risk. people say, well, you have a lot of the guts. i didn't have guts. i knew what i was doing. didn't go to the moon not to come back. >> soon enough it was time to come back. not before the sight of the earth, blooming with color, atmosphere, and life in a cold, black sky profoundly affected him. >> i can promise you if i could take every human being with me for five minutes, stand them next to me on a surface of the moon and look back at the earth, the world meet very well be a better place to live in today. there's in question in my mind that there is a creator to the universe. >> joining me now, the last man to walk on the moon, gene. gene, i have to tell you, imso hoshed, so thrilled to have you here. as i said at the beginning, when i grew up, the astronauts were the heroes for every kid my age. what are we losing, gene, by abandoning our space efforts? >> well, i think we're losing the vision and the commitment that john f. kennedy she the challenge she presented the mesh people wi